Solutions questions
1397 published questions with worked solutions.
- Which among the following equations represents relation between cryscopic constant, depression in freezing point and molality?
- Calculate the amount solute dissolved in 612 gram of water at 30^oC if molar mass of solute is 342 g mol^ -1 (Relative vapour...
- Calculate freezing point of 0.05 molal aqueous solution of a non electrolyte? ( K_f = 1.86 K kg mol^ -1 , freezing point of water...
- The partial pressure of a gas at 25^ is 0.18 atm calculate the concentration of the gas dissolved at the same temperature. If K_H...
- A solution of 50g of solute 'X' is dissolved in 150 g of 'Y' solvent boils at 357.27 K. What is the molar mass of solute? (Given...
- Identify from the following pair of solutions that exhibits the same osmotic pressure. [molar mass of urea = 60 g mol^ -1 and...
- The solubility of N_2 gas in water at 25^ and 1 bar is 6.85 10^ -4 mol L^ -1 . Calculate the solubility of N_2 gas in the water...
- Vapour pressure of CCl_4 at 25^ is 143 mm Hg. If 0.5 g of a non-volatile solute is dissolved in 100 cm^3 of CCl_4 Find the vapour...
- A solution of nonvolatile solute is obtained by dissolving 1.5g in 30g solvent has boiling point elevation 0.65 K. Calculate the...
- Calculate osmotic pressure of 0.2 M aqueous KCl solution at 0^ if Van't Hoff factor for KCl is 1.83 [R = 0.082 dm^3 atm mol^ -1...
- Identify the false statement about ideal solution from following.
- A solution of nonvolatile solute is obtained by dissolving 1.5 g in 30 g solvent has boiling point elevation 0.65 K. Calculate...
- Identify the false statement about ideal solution from following:
- In a solution mole function of solute is 0·2 when lowering in vapour pressure is 10 mmHg. To get lowering of vapour pressure of...
- Which of following solution will not show flow of solvent in either direction when separated by semipermeable membrane.
- The solution containing 18 g dm^ -3 glucose (molar mass 180) in water and another containing 6 g dm^ -3 of solute A is in water...
- If P_1 is partial pressure of a gas and x_1 is it's mole fraction in a mixture, then correct relation between P_1 and x_1 is
- Calculate van't Hoff factor (i) of 0.2 m aqueous solution of an electrolyte if it freezes at -0.660 K. ( K_f = 1.84 K kg mol^ -1 )
- Vapour pressure of a pure solvent is 550 mm of Hg. By addition of a non-volatile solute it decreases to 510 mm of Hg. Calculate...
- Calculate the solubility of a gas in water at 0.8 atm and 25^ [Henry's law constant is 6.85 x 10^ -4 mol dm^ -3 atm^ -1 ]
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